.app-chapter-box {background: #fff;}
.app-chapter-box header{
    height: .45rem;
}
.app-chapter-box header .am-navbar{
    width:100%;
    height: .45rem; 
    background: #b93321;
    color: #fff;  
}
.app-chapter-box header .am-navbar .am-navbar-title{
    color: #fff;
    font-size: .12rem;
}
.app-chapter-box h4{
    line-height:.48rem;
    padding-left: .2rem;
    border-bottom: 1px solid #f8f8f8;
}
.app-chapter-box h4 span{color: #999;margin-left: .04rem}
.app-chapter-box ul li {
    height: .48rem;
     font: .10rem/.48rem "";
     border-bottom: 1px solid #f8f8f8;
     padding-left: .2rem;
}
.app-chapter-box ul li a{
    color: #999;
}